Extension Renamer is freeware program to rename all the files in a directory to specific file extension. Instead of renaming the files one by one, this program can helps to speed up the progress and rename all the files in a second. This is especially helpful when you want to rename a lot of files in daily use. You can rename any extension such as PNG to JPG, BMP to JPG and so on.

You can type any extension you want to change in the text box. Click search button to view the affected files at the left before you progress to rename all files. The left box will shown you all the files that will be rename when you press GO button. Make sure to check properly before you press the GO button.

If you are looking for tool to batch rename files in a directory, this is absolutely a great tool for you. It is very easy to use and simple also. Download the file extension renamer freeware tool from Brothersoft and try it yourself.